Determination of platinum, palladium and rhodium in biological and environmental samples by low temperature electrothermal vaporization inductively coupled plasma atomic emission spectrometry with diethyldithiocarbamate as chemical modifier

Voltammetric Behavior of Arsenic(III) in the Presence of Sodium Diethyl Dithiocarbamate and Its Determination in Water and Highly Saline Samples by Adsorptive Stripping Voltammetry

“…This behavior indicates that SDDC undergoes decomposition in acidic medium and forms electrochemically inactive sub-products in solution. This behavior is in agreement with data previously described in the literature, which relate the rapid SDDC decomposition in acidic medium [17,18]. However, after the addition of As(III) to the SDDC solution in acidic medium, the cyclic voltammogram shows a new cathodic peak at À 0.83 V in the forward scan ( Fig.…”

“…2B). In view of the fact that SDDC undergoes rapid decomposition in acidic medium [17,18], As(III) may form a complex with the SDDC sub-products in solution and/or at the HMDE. This may be supported by the fact that additions of As(III) in solutions containing SDDC in acidic medium, which have been firstly deaerated for 5 min, gave also rise to the same voltammetric signal shown in Figure 2B.…”

“…Although the organic complexing agent sodium diethyl dithiocarbamate (SDDC) is known to form a complex with As(III) in acidic medium [17,18], this reaction had not been systematically explored for stripping voltammetric determinations yet. In order to investigate the voltammetric behavior of SDDC and As(III) at the HMDE, we have firstly performed cyclic voltammetric measurements in two different supporting electrolytes.…”

Enhancement of adsorption ability of calcium alginate gel beads towards Pd(II) ion. A kinetic and equilibrium study on hybrid Laponite and Montmorillonite–alginate gel beads

“…This is supported by different studies on the PGE levels in plants and in animal and human fluids and organs. Palladium is always the most abundant among PGE, especially in samples collected near urban areas (Barefoot, 1999;Ek et al, 2004;Fan et al, 2004;Orecchio and Amorello, 2015;Sures et al, 2002;Zereini and Alt, 2006). Although the scarce number of studies regarding the biological effects of palladium, it seems to have allergenic, carcinogenic and toxic effects towards humans and animals (WHO, 2002;Zereini and Alt, 2006).…”

Pyridine-Functionalized TiO2 Nanoparticles as a Sorbent for Preconcentration and Determination of Ultra-Trace Palladium Ion

“…Then the solutions were evaporated in a water bath. The residues were dissolved with 0.05 mol l -1 HCl and diluted to the appropriate volume with distilled water 13 .…”